-7m+m^2=5

Simple and best practice solution for -7m+m^2=5 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -7m+m^2=5 equation:


Simplifying
-7m + m2 = 5

Solving
-7m + m2 = 5

Solving for variable 'm'.

Reorder the terms:
-5 + -7m + m2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + -7m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -7m + 5 + m2 = 0 + 5

Reorder the terms:
-5 + 5 + -7m + m2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -7m + m2 = 0 + 5
-7m + m2 = 0 + 5

Combine like terms: 0 + 5 = 5
-7m + m2 = 5

The m term is -7m.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7m + 12.25 + m2 = 5 + 12.25

Reorder the terms:
12.25 + -7m + m2 = 5 + 12.25

Combine like terms: 5 + 12.25 = 17.25
12.25 + -7m + m2 = 17.25

Factor a perfect square on the left side:
(m + -3.5)(m + -3.5) = 17.25

Calculate the square root of the right side: 4.153311931

Break this problem into two subproblems by setting 
(m + -3.5) equal to 4.153311931 and -4.153311931.

Subproblem 1

m + -3.5 = 4.153311931 Simplifying m + -3.5 = 4.153311931 Reorder the terms: -3.5 + m = 4.153311931 Solving -3.5 + m = 4.153311931 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + m = 4.153311931 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + m = 4.153311931 + 3.5 m = 4.153311931 + 3.5 Combine like terms: 4.153311931 + 3.5 = 7.653311931 m = 7.653311931 Simplifying m = 7.653311931

Subproblem 2

m + -3.5 = -4.153311931 Simplifying m + -3.5 = -4.153311931 Reorder the terms: -3.5 + m = -4.153311931 Solving -3.5 + m = -4.153311931 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + m = -4.153311931 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + m = -4.153311931 + 3.5 m = -4.153311931 + 3.5 Combine like terms: -4.153311931 + 3.5 = -0.653311931 m = -0.653311931 Simplifying m = -0.653311931

Solution

The solution to the problem is based on the solutions from the subproblems. m = {7.653311931, -0.653311931}

See similar equations:

| 1.5d+9.75=1+2.75d | | 0.67x-0.167=0.5x+0.8333 | | x/12=-13/2 | | -n+2/3=5/6 | | k+3/4=11/12 | | 2(x+1)=3-2(x+3) | | m*3/8=-2 | | -11x^2-2x-27=0 | | (x+11)(x-11)= | | 6x^3-6xy^2= | | 2g+3(-6+2g)=1-g | | 3x/7+5=8 | | 314a-314b=694c | | (2x/5)((6x+12)/(5x+10)) | | 3x+1/2=3x/2+1/2 | | 6(x-3)=4x+8 | | 322x=124+3 | | a^5x^4/a^3x | | 4(2x-3)+4x=6(x+12) | | 10-3(2y-3)=5 | | 30x^3+6x^2-24x=0 | | 32-.4y=.8y+5 | | 4(x+1)=6-2(1-2x) | | 11x^2+12x+45=0 | | 7x^2-15x=2 | | 6x^2/2x | | a/2-(a-2/4)=9/2 | | 2+5x+5=3x+27 | | -w^2+4w=0 | | 8y-4=44 | | .2x-5=.2 | | 1/3x+2/3=-2/3x-2 |

Equations solver categories